Home / 70,119,333.20-105,184,284.14-20,931,301.15

Finding the Fourth Proportional to 70,119,333.20, 105,184,284.14 and 20,931,301.15

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Solution

The fourth proportional to 70,119,333.20, 105,184,284.14 and 20,931,301.15 is: 31,398,529.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,119,333.20 : 105,184,284.14 = 20,931,301.15 : x
  2. Step 2: Convert to fraction form
    70,119,333.20/105,184,284.14 = 20,931,301.15/x
  3. Step 3: Cross multiply
    70,119,333.20x = 105,184,284.14 × 20,931,301.15
  4. Step 4: Simplify right side
    70,119,333.20x = 2,201,643,927,370,876.25
  5. Step 5: Solve for x
    x = 2,201,643,927,370,876.25/70,119,333.20
  6. Step 6: Final answer
    x = 31,398,529.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.